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学科主题: 公共卫生
题名:
Diagnostic value of different patient positions during expiratory low-dose thin-layer MDCT for evaluating air trapping after allogeneic hematopoietic stem cell transplantation
作者: Zhang, X. -J.1; Gao, F.1; Zhao, J.2; He, J-X.3; Chen, J.1; Wei, H. -J.1; Chen, B.4
关键词: Thin-layer MDCT ; Air trapping ; Supine position ; Prone position ; Expiratory phase
刊名: EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES
发表日期: 2014-12-01
卷: 18, 期:24, 页:3779-3787
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Pharmacology & Pharmacy
研究领域[WOS]: Pharmacology & Pharmacy
关键词[WOS]: BRONCHIOLITIS OBLITERANS SYNDROME ; HIGH-RESOLUTION CT ; SECTION CT ; LUNG TRANSPLANTATION
英文摘要:

OBJECTIVE: To investigate the diagnostic value of different patient positions during expiratory low-dose thin-layer multidetector computed tomography (MDCT) for detect ing air trapping after allogeneic hematopoietic stem cell transplantation (allo-HSCT).

PATIENTS AND METHODS: Expiratory lung MDCT scanning was done for 51 post-allo-HSCT patients in both the supine and prone positions to determine if they had air trapping lesions. We assessed the volume fraction of an air trapping region (CT value of <= 700HU at expiratory phase) against the whole lung area with a GE workstation and graded these results.

RESULTS: In the supine position, multiple air trapping lesions were found in 16 of 51 patients, which were scattered and mainly distributed in the dorsal sides of both lower lobes. In the prone position, in addition to these 15 patients, air trapping lesions were also found in 11 other patients, which were mainly distributed in the anterior load-bearing area of the lung lower lobes and lobe-connected areas. Compared with that in the supine position, the graded score of air trapping in the prone position was significantly different (p = 0.006).

CONCLUSIONS: When performing expiratory thin-layer MDCT for patients with chronic rejection reactions after allo-HSCT, scanning in the prone position should also be performed, not only to more accurately observe lesions, but also for a preliminary evaluation of air trapping severity. This provides a basis for an early clinical diagnosis and treatment.

语种: 英语
WOS记录号: WOS:000352210900011
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/66140
Appears in Collections:北京大学公共卫生学院_期刊论文

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作者单位: 1.China Aerosp Corp, Cent Hosp, Dept Neurol, Beijing, Peoples R China
2.China Aerosp Corp, Cent Hosp, Dept Radiol, Beijing, Peoples R China
3.Nanchang Univ, Dept Ultrasonog, Affiliated Hosp 1, Nanchang, Peoples R China
4.Beijing Univ, Dept Med, Sch Publ Hlth, Beijing 100871, Peoples R China

Recommended Citation:
Zhang, X. -J.,Gao, F.,Zhao, J.,et al. Diagnostic value of different patient positions during expiratory low-dose thin-layer MDCT for evaluating air trapping after allogeneic hematopoietic stem cell transplantation[J]. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES,2014,18(24):3779-3787.
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